Needle Seal (For pH 1-14, for operation up to 130 Back Catalog number: CTS-21089 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request PS7050350 MarvelXACT™ PEEKsil™ 50µm ID x 350mm Price on request CTS-0620 Outlet Check Valve Cartridge Price on request